BMW Water Pumps for BMW 3 Series E92 (2007-2013)

Clear BMW chassis
When maintained, your BMW's cooling system should be bulletproof. The weakest link on any BMW model is likely to be the water pump, thermostat, or electrical parts on the newer models. BMW water pumps have gone through many design and material changes over the years in an effort to make the cooling system more efficient and reduce parasitic drag on the engine. The water pumps we sell are the latest and best designs that BMW and OEM suppliers can produce. Whenever possible we prefer to sell a water pump with a composite impeller, not metal. The latest BMW designs use a composite impeller that is far lighter than metal and much stronger than plastic. Metal impeller pumps are typically heavier and may have bearing problems that lead to premature leaks. Plastic pumps were infamous in the mid-1990s for disintegrating. The composite impellers have proven themselves for over a decade as a trouble-free and efficient design and many of the OEM suppliers are also introducing updated composite designs for older models too.
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Water Pump - N54/N55 Engine - E82 135i, E9X 335i/xi, E60 535i/xi, E70 X5 35ix
Packaged by Turner - Corporate Logo
T#:337985
Part#: 11517632426
In Stock
Sale - Save 28% $406.83
Starting at $292.99
Free Shipping
Sale - Save 28% $406.83
Starting at $292.99
Free Shipping
The N54/N55's water pump is central to the car's cooling system as well as to the performance and fuel economy. BMW's engine efficiency design for these cars includes the water pump for balancing engine power output and efficiency and cooling responsibilities not only for the engine but also for the turbo(s) and transmission cooling. It's a very integral part of the engine. The N54/N55 engined cars already suffer from reduced cooling area because of the factory intercooler, tight space under the hood, and of course heat from the turbo(s). BMW addressed these challenges a number of ways, including a dynamic, 'smart' electric water pump with increased output compared to the N52. The cooling demands mean additional stress on the major cooling components, especially the water pump.

The N54/N55 water pump is electrically driven and varies output based on instructions from the engine computer. Under the best circumstances the pump drives only as much coolant as needed and will shut down or activate as load and performance demands change (combustion chamber temperatures are dynamically changed based on economy, normal, and performance demands). The pump can also run when the car is off to reduce heat soak in the engine and turbo(s). The water pump is now a factor in ho